Southern Substation has been engaged in Electrical Switchgear Testing, rebuilding and retrofitting since 1985.Founded by James J. Dowling.

Southern Substation has been serving large industrial plants such as paper mills, textile mills, glass plants, automotive, manufacturers, chemical plants, power plants, Federal Buildings, US Navy, US Air Force, mines, maritime interest, hospitals, pharmaceutical manufacturers and many other factories and institutions for the past 20 + years.

Our highly trained and fully qualified engineers and technicians have a combined 85 years of testing, repair and trouble shooting experience. We can tackle almost any testing job with multiple high current tests relay test equipment and transformer filter presses.

Our crews are large enough to accommodate your limited “down-time” requirements. We also carry spare parts for nearly all brands of switchgear. We can furnish you a rebuilt breaker either in exchange for yours or as a loaner.

The technicians on the job also rebuild switchgear at our shop and are able to repair most problems in your facility. We repair most problems as a part of the testing process.

Our geographical area is nationwide. We can deliver new or reconditioned breakers/switchgear within the continental US

Another area of service is load studies & coordination studies, we have monitoring equipment to analyze the quality of your power and offer analysis with full reports and recommendations:

Our shop has the capabilities of re-silver plating contacts, complete rebuilding and retrofitting of 480 volt circuit breakers, rebuilding and/or repairing protective relays. We also repair oil and dry type transformers either on site at our shop.

Please contact Andrew Dobson and your testing needs or repairs will be in best hands available.